J. C. Ghildiyal , Meenakshi Juyal

Abstract

Lal Dhang Forest Range, the interior range of Lansdowne Forest Division is uninhabited and densely forested with rich biodiversity. The exploration of this range yielded 700 plant species belonging to 141 families and 459 genera. Out of the total species recorded, 540 were Dicotyledons, 108 Monocotyledons, 1 Gymnosperm, 19 Pteridophytes, 12 Bryophytes and 20 fungi. During present study, the dominant family was Leguminosae (sensu lata) where as, the dominant genera was Ficus. Other co-dominant families of the area were Poaceae, Asteraceae, Euphorbiaceae, Acanthaceae, Lamiaceae, Moraceae, Malvaceae, Rubiaceae and Scrophulariceae. Monocot Dicot ratio of this region was 1:5 and species genera ratio was 1:1.5.

Keywords

Lansdowne Forest Division, Lal Dhang Forest Range, Flora, Biodiversity, Biotic Interference, Systematic Enumeration

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J. C. Ghildiyal , Meenakshi Juyal

Abstract

A detailed study of Lansdowne Forest Division shows that the biodiversity of the area constitutes 1402 living organisms represented by 1181 plants species and 220 faunal spp. Plants are represented by 1111 angiosperms, 4 Gymnosperm, 23 Pteridophytes, 15 Bryophytes and 29 fungi. The dominant plant family in the area is Leguminosae (sensu lato,134) followed by Poaceae (102) and Asteraceae (68), the dominant genus is Ficus(15). Fauna of the area include 45 Mammals, 29 Reptiles, 94 birds and 52 fishes. Monocot-Dicot ratio of this region is 1:4 and species genera ratio is 1:1.7.

Keywords

Lansdowne Forest Division, Flora, Biodiversity, Biotic Interference

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